Capital gains tax when you sell your business
Guides, calculators, checklists and infographics on how capital gains tax works when owners sell a business, real estate or private investments. Free, and all in one place.
Guides by topic
How capital gains are taxed
Basis
Selling a business or real estate
Selling your home
Stocks, funds, crypto and gifts
Reporting the sale
Calculators
Capital gains tax estimator (federal, 2025 rates)
Estimate federal tax on long-term and short-term gain, plus the 3.8% net investment income tax, from the 2025 IRS rate table.
1031 exchange 45-day and 180-day deadline calculator
Enter your transfer date to see your 45-day identification deadline and your 180-day receipt deadline.
Section 121 home sale exclusion checker
Check whether your home sale meets the Section 121 ownership and use tests and how much gain you may exclude.
Sell now or wait for long-term treatment
Compare the federal tax on a sale made now with a sale after the holding period passes one year.
See the charts and infographics, including the 1031 exchange clock and the home sale exclusion flowchart.
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